<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>签到</title>
</head>
<body>
    <h3>学生签到</h3>
    <form action="/signIn" method="get">
        名字：<input type="text" name="name">
        <button type="submit">签到</button>
    </form>
</body>
</html>